1. Department of Rehabilitation, Odense University Hospital, Odense, Denmark;
2. Department of Orthopaedic surgery, Odense University Hospital, Odense, Denmark;
3. Department of Clinical Research, University of Southern Denmark, Odense, Denmark;
4. Health Sciences Research Center, University College Lillebaelt, Odense, Denmark;
5. Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark